ol {
    list-style: none;
}

.文章 {
    padding: 10px 20px;
}
.文章 a {
color: black;
    text-decoration: none;
}


.文章标题 {
    font-size: 20px;
    text-align: center;
    padding: 10px 0;
}
.发表时间 {
    color: #008000;
    text-align: center;
}
.文章摘要 {
    min-height: 50px;
    max-height: 100px;
    text-indent: 2em;
    /*overflow: hidden;*/
}

.查看全文 {
    display: block;
    width: 120px;
    height: 40px;
    color: black;
    /*background-color: orange;*/
    line-height: 40px;
    text-align: center;
    margin: 10px auto 0 auto;
    border: 2px solid black;
    user-select: none;
    cursor: pointer;

    transition: all 0.3s;
}

.查看全文:hover {

}